Identify the response variable. Identify the response variable. Longevity in years Gestation in days Change of gestation in days per year Change of longevity in years per day There is not enough information to answer this question.Can we use "Animal Longevity" (average life span in years) to predict "Gestation" (average pregnancy length in days)? Consider the scatterplot below of the longevity and gestation of 21 different types of animals. Note that the Kangaroo has the shortest longevity of 5 years and the elephant has the longest longevity of 35 years